<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html
        PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://java.sun.com/jsf/html"
      xmlns:composite="http://java.sun.com/jsf/composite"
      xmlns:rich="http://richfaces.org/rich"
      xmlns:a4j="http://richfaces.org/a4j">
<composite:interface>
    <composite:attribute name="msg" required="true"/>
    <composite:attribute name="render" required="true"/>
    <composite:attribute name="action" required="true" method-signature="void action()"/>
</composite:interface>
<composite:implementation>
    <!--图标按钮-->
</composite:implementation>
</html>